Monday, August 31, 2009

Notepad ++

Notepad++ is a free (as in "free speech" and also as in "free beer") source code editor and Notepad replacement that supports several languages. Running in the MS Windows environment, its use is governed by GPL License.

Based on a powerful editing component Scintilla, Notepad++ is written in C++ and uses pure Win32 API and STL which ensures a higher execution speed and smaller program size. By optimizing as many routines as possible without losing user friendliness, Notepad++ is trying to reduce the world carbon dioxide emissions. When using less CPU power, the PC can throttle down and reduce power consumption, resulting in a greener environment.


More about Notepad ++ click here

Wednesday, August 26, 2009

Frequency to Voltage Converter Circuit

This circuit good working in the frequency range 0-850 Hz. You can change the value of R8 and C1 in order to get the various frequency range.

PIC18F4550 Module Trainer Board

This site presents a simple didactical microcontroller modules designed for teaching of microcontroller systems, digital signal processing, and system programming.

Full documentation (schematic diagram and pcb design) is provided, and you are free to duplicate the modules. However, if you are going to use THESE schematic or PCB files to build and distribute the modules, than you should include the information about the original source and about the availability of the documentation.



PIC18F4550 module Parameters:

1. Clock frequency up to 48MHz (12 MIPS) with oscilator working at 8 MHz
2. Memory: 2KB RAM, 256 B EEPROM, 32KB code (FLASH)
3. USB 2.0 Interface - Low Speed & Full Speed
4. 10-bit ADC (7 channels available for user)
5. 2 analogue comparators
6. 4 timers and 2 PWM/CCP modules (one extended)
7. Synchronous/asynchronous serial interface (EUSART)
8. Synchronous serial interface: SPI/I2C
9. Parallel SPP port - for direct transfer of data over USB





This module is based on the PIC18F4550 microcontroller. It offers the direct USB connectivity. Available documentation includes the schematic diagram as PDF, sources of the schematic diagram in the gschem format, and the PCB layout in the free PCB program format.

ALL Material Download

Source : http://www.ise.pw.edu.pl

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